Production year
2002
© Laurence MEDARD/CNRS Images
20020001_0664
Les carottes prélevées sur des arbres sont identifiées sur leur rack de rangement selon le numéro de l'arbre et leur orientation sur l'arbre. L'observation permet de dater chaque cerne et de mesurer son épaisseur. Ces recherches ont pour finalité la reconstitution des climats passés.
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2002
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